1834 - Thomas Davenport of Vermont developed the first real electric motor ('real' meaning powerful enough to do a task) although Joseph Henry and Michael Faraday created early motion devices using electromagnetic fields.
Below is a more detailed usage of operating systems according to age group: 18 to 34 years old. Of all the smartphone users, 50% use Android as operating system, 43% use iPhone, 39% use Microsoft and 38% use RIM. Apparently, more users prefer Android.
On November 10, 1983, a young Bill Gates revealed Windows 1.0 to the rest of the world. In subsequent years, Windows quickly became the most used operating system on the planet, which led to the birth of the personal computing era.